A segmentation study is a foundational consumer intelligence method that identifies meaningful, actionable clusters within a broader population. Rather than treating customers as a single homogeneous group, segmentation research surfaces the underlying differences in values, purchase drivers, lifestyle patterns, and unmet needs that separate one consumer type from another. In qualitative research, segmentation studies go beyond demographic splits to capture the emotional and behavioral logic that explains why different groups respond differently to brands, products, and messaging. The resulting segments inform everything from product development and brand positioning to media planning and innovation strategy, making segmentation one of the highest-stakes research investments an enterprise team can make.